Liftable movable underframe for GIS (Gas Insulated Switchgear)

Abstract

The utility model relates to the technical field of high-voltage switches, in particular to a liftable movable underframe for a GIS (gas insulated switchgear), which comprises a mounting frame, a mounting plate, a mounting seat and a spinning part. One end of the mounting plate is detachably connected with the mounting rack, and the other end of the mounting plate is provided with a screw; the upper end of the mounting seat is provided with a guide groove a for the screw rod to be inserted in a matched manner, and the lower end of the mounting seat is rotationally provided with a mounting shaft; a wheel body is arranged on the mounting shaft; the spinning part is arranged on the outer side of the screw in a threaded and sleeving mode, and the spinning part tightly presses the mounting base in the working state. When the combined electric appliance needs to be moved, a wrench is used for rotating the spinning part to drive the wheel body to replace a mounting frame for bearing and supporting, a worker can push the whole equipment through the wheel body, and when the combined electric appliance does not need to be moved, the wheel body is stored and the mounting frame is used for bearing to reduce the loss of the wheel body; and the operation is simple, the use is convenient, and the GIS equipment arranged on the mounting rack can be moved conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to high voltage switch technical field, concretely relates to a liftable and movable chassis for GIS. BACKGROUND

[0002] GIS is the abbreviation of combined electrical apparatus, which is composed of circuit breaker, disconnecting switch, grounding switch, current transformer, voltage transformer, surge arrester and bushing, etc. in the metal shell and filled with insulating gas. Combined electrical apparatus is generally composed of whole or several units, which can be transported and installed in interval form, so as to greatly shorten the site installation period. Combined electrical apparatus can meet various substation layout modes through modular design, which is convenient for subsequent expansion and reconstruction.

[0003] Affected by the substation site and environment, combined electrical apparatus installed indoors is applied more and more, and most indoor substations need to install travelling crane to transport combined electrical apparatus specially, however, the travelling crane is only used during installation, disassembly and maintenance, and the combined electrical apparatus is used less after installation, so that the subsequent maintenance cost is high, and some substations do not install travelling crane to save cost, but use rolling steel and crowbar to transport, which is time-consuming and laborious and easy to cause damage to the equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at the problems in the background art, and provides a liftable and movable chassis for GIS.

[0005] The technical scheme of the utility model: a liftable and movable chassis for GIS, comprising

[0006] A mounting frame;

[0007] A mounting plate, which is detachably connected to one end of the mounting frame, and the other end of the mounting plate is provided with a screw rod;

[0008] A mounting seat, which is provided with a guide groove a at the upper end for the screw rod to be inserted, and the lower end of the mounting seat is rotatably provided with a mounting shaft; a wheel body is arranged on the mounting shaft;

[0009] A spinning part, which is threadedly arranged outside the screw rod, and in the working state, the spinning part presses the mounting seat.

[0010] Preferably, the utility model further comprises a bolt and a nut; a plurality of through holes a are arranged on the mounting frame; a plurality of through holes b are arranged on the mounting plate;

[0011] The bolt is provided with a plurality of through holes a and through holes b, and in the mounting state, the bolt is threadedly connected with the nut, and the bolt, the nut, the through holes a and the through holes b are one-to-one corresponding.

[0012] Preferably, the bolt and the nut are respectively arranged on the end surface of the mounting plate or the mounting frame, and the end surface of the mounting plate or the mounting frame is provided with a gasket.

[0013] Preferably, the projected shape of the spinning part is T-shaped; the end face of the mounting base is provided with a guide groove b that is concentric with and communicates with the guide groove a; the end of the spinning part with the smaller projected area is inserted into the guide groove b.

[0014] Preferably, each mounting base is provided with two sets of mounting shafts; the two sets of mounting shafts are symmetrically distributed with the central axis of the guide groove a as the center.

[0015] Preferably, it also includes an anti-rotation part; the mounting bracket is provided with a through hole c; the mounting base is provided with a guide groove c;

[0016] The anti-rotation part penetrates through the through hole c and is inserted into the guide groove c.

[0017] Preferably, the mounting plate and screw are an integrated structure.

[0018] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0019] In this invention, when it is necessary to move the equipment installed on the mounting frame, the wrench is used to rotate the spinning part to push the mounting base, so that the wheels are pressed against the ground and the mounting frame is lifted up to detach from the ground. Then, the operator can push the mounting frame to move it, so as to meet the need for rapid movement of the GIS equipment installed on the mounting frame. During the movement, the anti-rotation part is removed or inserted according to the direction of movement. When the equipment is not moved or the equipment is installed in place, the spinning part is rotated with a wrench until the wheels are no longer under load, and the mounting frame is used to bear the load to reduce wear on the wheels. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of one embodiment of the present invention.

[0021] Figure 2 This is a schematic diagram of another embodiment of the present invention.

[0022] Reference numerals in the attached drawings: 1. Mounting bracket; 2. Mounting plate; 3. Anti-rotation part; 4. Spinning part; 5. Mounting base; 6. Wheel body; 7. Mounting shaft; 8. Bolt. Detailed Implementation

[0023] Example 1

[0024] like Figure 1 As shown, the present invention proposes a liftable and movable base frame for GIS, including a mounting frame 1, a mounting plate 2, a spinning part 4, a mounting base 5, a wheel body 6, a mounting shaft 7, bolts 8 and nuts;

[0025] The mounting bracket 1 has a projected shape that is, but not currently, I-shaped. The mounting bracket 1 has multiple mounting points for connecting with multiple mounting plates 2, that is, multiple through holes a are opened on the mounting bracket 1 at the aforementioned mounting points; wherein, the number of through holes a at each mounting point is, but not currently, four.

[0026] The mounting plate 2 is provided with multiple through holes b. The number of through holes b on each mounting plate 2 is selected, but not limited to, four. The distribution of through holes b on the mounting plate 2 is consistent with the distribution of through holes a at each mounting point on the mounting bracket 1.

[0027] Multiple bolts 8 and nuts are provided. When the mounting plate 2 and the mounting bracket 1 are installed together, the bolts 8 pass through the through holes a and b and are threaded to connect the nuts to form a fixed structure, so as to realize the detachable connection between the mounting plate 2 and the mounting bracket 1. The bolts 8, nuts, through holes a and through holes b correspond one-to-one.

[0028] The screw is vertically mounted on the mounting plate 2, and in use, the screw is located on the side away from the mounting bracket 1;

[0029] In an optional embodiment, the mounting plate 2 and the screw are an integrated structure.

[0030] The upper end of the mounting base 5 is provided with a guide groove a for inserting a screw;

[0031] The two ends of the mounting shaft 7 are rotatably connected to the mounting base 5 via bearings; wherein, optional but not limited to, an opening groove is provided on one side of the lower end face of the mounting base 5 to connect the side end face and the lower end face; the mounting shaft 7 is rotatably mounted in the opening groove via bearings.

[0032] Wheel body 6 is fitted onto mounting shaft 7. Wheel body 6 is a load-bearing wheel. The number of wheels body 6 installed on mounting shaft 7 is selected according to the length of mounting shaft 7 and the size of wheel body 6. The outer diameter of wheel body 6 is greater than the depth of the opening groove mentioned above, so that a portion of wheel body 6 can extend out of the opening groove.

[0033] The spinning part 4 is threaded onto the outside of the screw. In the working state, the spinning part 4 presses against the mounting base 5.

[0034] Example 2

[0035] like Figure 1 As shown, the present invention proposes a liftable and movable base frame for GIS. Compared with Embodiment 1, in this embodiment, when the mounting plate 2 and the mounting frame 1 are installed by bolts 8 and nuts, two sets of washers are sleeved on the outer side of the bolts 8 so that in the installed state, the end face of the bolts 8 presses against one set of washers, and the washers press against the mounting plate 2 or the mounting frame 1; the end face of the nut presses against the other set of washers, and the washers press against the mounting frame 1 or the mounting plate 2.

[0036] Embodiment three

[0037] As Figure 1 shown, compared with embodiment one, the projection shape of the spinning part 4 in the embodiment is T-shaped; the end face of the mounting seat 5 is provided with a guide groove b in communication with the guide groove a and concentric; the small end of the projection area of the spinning part 4 is matched and inserted into the guide groove b.

[0038] Embodiment four

[0039] As Figure 1 shown, compared with embodiment one, the embodiment further comprises an anti-rotation part 3; the mounting frame 1 is provided with a through hole c; the mounting seat 5 is provided with a guide groove c; the anti-rotation part 3 penetrates through the through hole c and is matched and inserted into the guide groove c, so that the mounting seat 5 is rotated, so as to facilitate the control of the advancing direction of the mounting frame 1 in the moving process.

[0040] Embodiment five

[0041] As Figure 2 shown, compared with embodiment one, two groups of mounting shafts 7 are arranged on each mounting seat 5 in the embodiment; the two groups of mounting shafts 7 are symmetrically distributed with the central axis of the guide groove a as the center.

[0042] In summary, when the device installed on the mounting frame 1 needs to be moved, the wrench is used to rotate the spinning part 4 to push the mounting seat 5, so that the wheel body 6 and the ground are pressed tightly and the mounting frame 1 is lifted upward to separate from the ground, then the staff can push the mounting frame 1 to move, so as to realize the movement of the device; during the movement process, the anti-rotation part 3 is pulled out or inserted according to the moving direction; when the device is not moved or the device is installed in place and the installation is completed, the wrench is used to rotate the spinning part 4 until the wheel body 6 is not supported, and the mounting frame 1 is used for supporting, so as to reduce the loss of the wheel body 6.

[0043] It should be noted that the mounting frame 1 needs to be symmetrically and sequentially lifted according to the arrangement of the wheel body 6 of the mounting frame 1 during the lifting process, and the single lifting of the wheel body 6 should not be too large to prevent the device from deviating due to the single-side lifting during the lifting process. In addition, after the device is installed in place, the mounting plate 2, the spinning part 4 and the mounting seat 5 and other parts can be disassembled for recycling in other engineering, and only a few groups are needed according to the maximum interval and usage on site, so as to reduce the use cost.

[0044] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A liftable and movable base for GIS, characterized in that, include Mounting bracket (1); Mounting plate (2); one end of which is detachably connected to mounting bracket (1), and the other end of mounting plate (2) is provided with screw; Mounting base (5); its upper end is provided with a guide groove a for screw to be inserted, and the lower end of the mounting base (5) is rotatably provided with a mounting shaft (7); the mounting shaft (7) is provided with a wheel body (6); Spinning part (4); its thread is sleeved on the outside of the screw. In the working state, the spinning part (4) presses against the mounting seat (5).

2. The GIS liftable and movable base frame according to claim 1, characterized in that, It also includes bolts (8) and nuts; the mounting bracket (1) has multiple through holes a; the mounting plate (2) has multiple through holes b; There are multiple bolts (8). When the mounting plate (2) and the mounting bracket (1) are installed together, the bolts (8) pass through the through holes a and b and are threaded to connect the nuts to form a fixed structure. The bolts (8), nuts, through holes a and b correspond one to one.

3. The GIS liftable mobile base frame according to claim 2, characterized in that, The bolts (8) and nuts are respectively pressed against the end face of the mounting plate (2) or the mounting bracket (1), and each end face is provided with a washer.

4. A liftable and movable base for GIS according to claim 1, characterized in that, The projected shape of the spinning part (4) is T-shaped; the end face of the mounting base (5) is provided with a guide groove b that is connected to and concentric with the guide groove a; the end with the smaller projected area of ​​the spinning part (4) is inserted into the guide groove b.

5. A liftable and movable base frame for GIS according to claim 1 or 4, characterized in that, Each mounting base (5) is provided with two sets of mounting shafts (7); the two sets of mounting shafts (7) are symmetrically distributed with the central axis of the guide groove a as the center.

6. A liftable and movable base for GIS according to claim 1, characterized in that, It also includes an anti-rotation part (3); the mounting bracket (1) is provided with a through hole c; the mounting base (5) is provided with a guide groove c; The anti-rotation part (3) penetrates through the through hole c and is inserted into the guide groove c.

7. A liftable and movable base for GIS according to any one of claims 1-4, characterized in that, The mounting plate (2) and the screw are an integrated structure.

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